Civil Service Exam Reviewer · Basic Operations · hard

Evaluate: 24 × 22 ÷ 25

  1. 2
  2. 8
  3. 2,048
  4. 4

Answer

A. 2

Solution

Same base: add exponents when multiplying, subtract when dividing: 2(4 + 2 − 5) = 21 = 2.

More Basic Operations questions

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  4. Express 1.6 as a fraction in lowest terms.
  5. Evaluate: 2 1/2 × 3 1/3 ÷ 2/3
  6. Evaluate: 39 − [77 − (8 × 9 − 40)] ÷ 5
  7. Two school bells ring every 20 and 28 minutes, respectively. If they ring together at 6:00 AM, when will they next ring together?
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  9. Multiply: (8 × 104) × (5 × 105). Express in scientific notation.
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